Climate and monthly weather forecastHalsey, OR
Climate and monthly weather forecast
Weather in January
January, the same as December, in Halsey, Oregon, is a frosty winter month, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 35.2°F (1.8°C). Halsey experiences a transition to a still chilly 48.6°F (9.2°C) in average high-temperatures with the arrival of January, not greatly differing from December's 45.7°F (7.6°C). Weather in January »Weather in February
February, the last month of the winter in Halsey, is also a frosty month, with an average temperature varying between 49.1°F (9.5°C) and 35.1°F (1.7°C). In Halsey, February's average high-temperature stands at a still chilly 49.1°F (9.5°C), closely related to the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Halsey, Oregon, with an average temperature fluctuating between 52.7°F (11.5°C) and 36.7°F (2.6°C). Halsey's average high-temperature in March is a fresh 52.7°F (11.5°C), indicating a subtle variation from February. Weather in March »Weather in April
April is a mild spring month in Halsey, Oregon, with an average temperature varying between 57.7°F (14.3°C) and 37.6°F (3.1°C). As Halsey welcomes April, the average high-temperature records at a moderate 57.7°F (14.3°C), marking an insignificant deviation from the prior month. Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Halsey, Oregon, with an average temperature varying between 65.5°F (18.6°C) and 41.2°F (5.1°C). The start of May signals a slight increase in the average high-temperature, moving from a mild 57.7°F (14.3°C) in April to a still refreshing 65.5°F (18.6°C). Weather in May »Weather in June
June, the first month of the summer in Halsey, is a pleasant month, with an average temperature fluctuating between 71.2°F (21.8°C) and 45.1°F (7.3°C). Halsey experiences a minor temperature shift with the start of June, with average high-temperatures moving from a refreshing 65.5°F (18.6°C) in May to a pleasant 71.2°F (21.8°C). Weather in June »Weather in July
July in Halsey, Oregon, is a warm summer month, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 79.3°F (26.3°C). Halsey perceives a slight temperature ascent during July, with average high-temperatures adjusting from a pleasant 71.2°F (21.8°C) in June to a warm 79.3°F (26.3°C). Weather in July »Weather in August
August, the last month of the summer in Halsey, is also a moderately hot month, with an average temperature ranging between max 81.1°F (27.3°C) and min 51.1°F (10.6°C). In Halsey, August is identified by the highest average temperatures, reaching a peak of 81.1°F (27.3°C) and a low of 51.1°F (10.6°C). For August, the heat index is calculated to be 84.2°F (29°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Halsey, Oregon, with temperature in the range of an average high of 73.6°F (23.1°C) and an average low of 48.6°F (9.2°C). The transition to September results in a modest reduction in average high-temperature, moving from 81.1°F (27.3°C) in August to a still moderately hot 73.6°F (23.1°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Halsey, Oregon, with an average temperature ranging between max 62.2°F (16.8°C) and min 43.7°F (6.5°C). With October's onset, the average high-temperature recedes from September's warm 73.6°F (23.1°C) to a comfortable 62.2°F (16.8°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Halsey, Oregon, with an average temperature fluctuating between 38.8°F (3.8°C) and 51.6°F (10.9°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a refreshing 62.2°F (16.8°C) in October to a cool 51.6°F (10.9°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Halsey, Oregon, with an average temperature varying between 34.2°F (1.2°C) and 45.7°F (7.6°C). December is the coldest month of the year, registering average temperatures as high as 45.7°F (7.6°C) and as low as 34.2°F (1.2°C). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Halsey, OR
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).
The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure
Halsey, OR
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
30.08"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.04"Hg
- Average pressure in July:
30.04"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed
Halsey, OR
- Average wind speed in January:
4.7mph - Average wind speed in February:
4.7mph - Average wind speed in March:
4.8mph - Average wind speed in April:
4.5mph - Average wind speed in May:
4.2mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
4.1mph - Average wind speed in August:
3.9mph - Average wind speed in September:
3.8mph - Average wind speed in October:
4.3mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is March (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).
Average humidity
Halsey, OR
The months with the highest relative humidity are January, February, March and December (87%).
The month with the lowest relative humidity is August (68%).
Average rainfall
Halsey, OR
- Average rainfall in January:
3.9" - Average rainfall in February:
3.31" - Average rainfall in March:
3.62" - Average rainfall in April:
2.95" - Average rainfall in May:
1.81" - Average rainfall in June:
1.14"
- Average rainfall in July:
0.2" - Average rainfall in August:
0.35" - Average rainfall in September:
1.26" - Average rainfall in October:
2.56" - Average rainfall in November:
3.35" - Average rainfall in December:
4.37"
The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days
Halsey, OR
- Average rainfall days in January:
17.3 days - Average rainfall days in February:
16.6 days - Average rainfall days in March:
20 days - Average rainfall days in April:
17.8 days - Average rainfall days in May:
13.1 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
4.1 days - Average rainfall days in August:
3.6 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
14.9 days - Average rainfall days in November:
17.4 days - Average rainfall days in December:
18.2 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (3.6 days).
Average snowfall
Halsey, OR
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Halsey, OR
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
2 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Halsey, OR
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 6min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
11h and 6min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 30min - Average sunshine in November:
4h and 48min - Average sunshine in December:
4h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days
Halsey, OR
- Average sunshine days in January:
12.2 days - Average sunshine days in February:
9.4 days - Average sunshine days in March:
9.4 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
17.5 days
- Average sunshine days in July:
26.2 days - Average sunshine days in August:
25.3 days - Average sunshine days in September:
20.5 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
11.1 days - Average sunshine days in December:
11.6 days
The month with the most sunshine days is July (26.2 days).
The months with the least sunshine days are February and March (9.4 days).
Average UV index
Halsey, OR
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Halsey, OR
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility
Halsey, OR
The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).








